It's the Haida NanoPro MC 100x150mm Hard Grad Neutral Density 1.2X (16) Multi Coated Glass Filter, a professional-grade tool designed for photographers seeking to enhance their image quality. This high-quality, durable filter is crafted by Haida, a renowned brand in the photography equipment industry, ensuring its superior performance and longevity. The NanoPro MC 100x150mm filter is a hard edge graduated neutral density filter, a versatile accessory that effectively reduces the amount of light entering your camera lens. This feature allows for the use of a wider aperture or slower shutter speed, resulting in a brighter image with a shallower depth of field. With a density of 1.2 (4 stops), this filter is efficient in maintaining a correct exposure, even in challenging lighting conditions. Its multi-coated design further enhances its performance, ensuring minimal reflection and maximum light transmission for crisp, clear images. Measuring 4" x 6" / 100 x 150mm, this rectangular filter is designed to fit a wide range of lenses, making it a valuable addition to any photographer's kit. Whether you're a professional photographer or a passionate hobbyist, the Haida NanoPro MC 100x150mm Hard Grad Neutral Density 1.2X (16) Multi Coated Glass Filter is a reliable tool for capturing stunning, well-exposed photographs.